Don’t wait for your system to shut down entirely in order to seek furnace repair in Ferndale, WA. For most homeowners, the demand for heating repair seems to occur at the most inconvenient times. Fortunately, your heater, like most mechanical equipment, has a way of communicating when something isn’t right. If you notice any of the following telltale signs, our experts at Marr's Heating and Air Conditioning can help restore normalcy.